The most common and most likely answer to this crossword clue is the 3 plus 1 plus 4 letter word CUT A DASH
C
U
T
A
D
A
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H
More clues leading to the result CUT A DASH
- To look impressive, make a slight reduction?
- Copper — touch wood — to create stylish impression
- Edit punctuation a little to impress with one's style
- Look smart! 20 might, if depicting Morse
- Clue regularly getting cheers — it’s to be very stylish!
- Duke, entering a wood by canal, made a striking impression
- Impress with style…what an entrance in padded trim at Crucible!
- Revolutionary workers with poster by tree appear striking
- Cross woman’s wanting husband to look good
- Showboat cancelled, commercial remains
Buddy explains!

The straight part
We know that "to impress with one's style" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case to impress with one's style = cut a dash.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.